Letter to the Editor. Pure arterial malformation: a rare vascular entity

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TO THE EDITOR: We read with great interest the article by Brinjikji and colleagues1 (Brinjikji W, Cloft HJ, Flemming KD, et al: Pure arterial malformations. J Neurosurg 129:91–99, July 2018). The authors presented a consecutive series of 12 patients meeting criteria for a pure arterial malformation (PAM). First described in 2013 by McLaughlin et al.,2 these malformations have been defined as vascular lesions with dilated, overlapping, and tortuous arteries, with no venous component or arteriovenous shunting. Pure arterial malformations are thought to have a pathophysiology and natural history different from

Article Information

Correspondence Nirav J. Patel: npatel40@bwh.harvard.edu.

INCLUDE WHEN CITING Published online November 16, 2018; DOI: 10.3171/2018.8.JNS182423.

Disclosures The authors report no conflict of interest.

© AANS, except where prohibited by US copyright law.

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    A 45-year-old woman presented with SAH and a dilated tortuous vessel at the PCA (A), with pathology demonstrating myxoid degeneration and focal dissection at the aneurysm dome site (B). Another case of a 42-year-old woman who presented with similar dilated tortuosity at the PICA to a pure arterial malformation, but on surgical dissection, it was confirmed to be an aneurysm (C). Figure is available in color online only.

References

1

Brinjikji WCloft HJFlemming KDComelli SLanzino G: Pure arterial malformations. J Neurosurg 129:91992018

2

McLaughlin NRaychev RDuckwiler GMartin NA: Pure arterial malformation of the posterior cerebral artery: importance of its recognition. J Neurosurg 119:6556602013

3

Silva MASee APAziz-Sultan MAPatel NJ: surgical treatment of a double origin posterior inferior cerebellar artery aneurysm and insights from embryology: case report and literature review. Oper Neurosurg (Hagerstown) 13:E8E122017

1

Brinjikji WCloft HJFlemming KDComelli SLanzino G: Pure arterial malformations. J Neurosurg 129:91992018

2

McLaughlin NRaychev RDuckwiler GMartin NA: Pure arterial malformation of the posterior cerebral artery: importance of its recognition. J Neurosurg 119:6556602013

3

Sorenson TJBrinjikji WFlemming KDLanzino G: Pure arterial malformation of the posterior inferior cerebellar artery with interspersed adipose tissue: case report. J Neurosurg Pediatr 22:2612642018

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